MAX15068 Datasheet, PDF (6/17 Pages) Maxim Integrated Products – Dual ORing, Single Hot-Swap Controller

MAX15068
Dual ORing, Single Hot-Swap Controller with
Accurate Current Monitoring
Typical Operating Characteristics
(V_IN1 = V_IN2 = 12V, C_IN1 = C_IN2 = C_VS = 1µF, R_SENSE = 3mΩ, unless otherwise noted.)
IN_ SUPPLY CURRENT vs. VOLTAGE
6
toc01
I_IN2
4
2
I_IN1
0
0
3
6
9
12 15 18
V_{IN_} (V)
V_S LOAD REGULATION
6
toc02
V_{IN_} = 12V or 18V
5
4
V_{IN_} = 5V
3
V_{IN_} = 3.7V
2
1
0
0
2
4
6
8
10
I_LOAD (mA)
CHARGE-PUMP VOLTAGE vs. CURRENT
12
toc03
10
V_{IN_} = 12V
8
V_{IN_} = 18V
6
4
V_{IN_} = 3.7V
2
0
0 20 40 60 80 100 120 140
I_{ICP_} (µA)
CHARGE-PUMP VOLTAGE
vs. INPUT VOLTAGE
14
toc04
12
10
8
6
4
2
0
3
6
9
12
15
18
V_{IN_} (V)
ORing GATE VOLTAGE vs. CURRENT
12
toc05
V_{IN_} = 12V
10
8
V_{IN_} = 18V
6
4
V_{IN_} = 3.7V
2
0
0 20 40 60 80 100 120 140
I_{ICP_} (µA)
HOT-SWAP MOSFET GATE VOLTAGE
vs. CURRENT
15
toc06
V_OUT = V_{IN_}
V_{IN_} = 12V or 18V
12
9
V_{IN_} = 5V
6
V_{IN_} = 3.7V
3
0
0
5
10
15
I_GATE (µA)
CIRCUIT-BREAKER TRIP VOLTAGE
vs. TEMPERATURE
80
toc07
CB = V_S
ACTIVE CURRENT-LIMIT SENSE VOLTAGE
vs. TEMPERATURE
100
toc08
CB = V_S
60
CB = Hi-Z
CB = GND
40
80
CB = Hi-Z
60
CB = GND
20
-40 -15 10 35 60 85 110 125
TEMPERATURE (ºC)
40
-40 -15 10 35 60 85 110 125
TEMPERATURE (ºC)
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